Expansion of e.g.f. exp( x * exp(x^3) ).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =25a(5) =121a(6) =361a(7) =3361a(8) =42001a(9) =275185a(10) =1819441a(11) =30777121a(12) =371238121a(13) =3057311401a(14) =44263763545a(15) =801096528961